HP 8920A Application Handbook page 104

FM Receivers
104
On the Test Set using the knob and data entry keys:
24 Verify Receiver's squelch is closed.
25 Set Amplitude to −137 dBm.
26 Slowly increase the Amplitude until the squelch remains open and the SI-
NAD indicator shows 10 dB (minimum).
CDCSS Sensitivity is displayed as Amplitude as shown.
CDCSS
Squelch Sensi-
tivity
RX TEST
SINAD dB
0 10.18 24
Avg
AFGen2
RF Gen Freq AFGen1 Freq
145.280000 1.0000 Send
MHz kHz Stop
Amplitude AFGen1 To AFGen2 To
0.351 FM FM
uV 3.00 5.00
kHz
Atten Hold
On/Off
AC Level
V
2.341
To Screen
Filter 1
RF GEN
50Hz HPF
RF ANL
AF ANL
Filter 2
SCOPE
15kHz HPF
SPEC ANL
Hz
ENCODER
DECODER
Ext Load R
RADIO INT